ABSTRACT
Controlling devices using switches are common. From a few decades controlling devices using remote control switches like infrared remote control switch, wireless remote control switches, light activated switches re becoming popular. But these technologies have their own limitations. Laser beams are harmful to mankind. Some technologies like IR remote control are used for short distance applications. In such case if we have system which does not require any radiations or which is not harm ....etc

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To get full information or details of voice enable device switching for physically challenged and emergency alerts through sms circuit diagram please have a look on the pages

http://mycollegeprojectAbstracts/SET-82%20Voice%20enable%20device%20switching%20for%20physically%20challenged.pdf

http://mycollegeprojectAbstracts/SET-08.%20Head%20movement%20based%20voice%20enabled%20wireless.pdf

if you again feel trouble on voice enable device switching for physically challenged and emergency alerts through sms circuit diagram please reply in that p ....etc

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hi,
i was working on a project where we have two sets of telephone lines( one working and other stand by). when ever the primary line fails, the stand by is connected. I wanted to know can we do the change over between the two lines electronically without using mechanical relay. if possible then how?? ....etc

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ABSTRACT

This project is used to control device from the remote place through DTMF. DTMF stands for . This is the latest technology used in telephone dial. The program waits for the ringing of the telephone. When the telephone rings the ring detector detects the ring

When the phone rings it should be cut off. This is made possible through ON\OFF hook controller. When there is a ring outputted to the ON\OFF hook Control circuit .If the phone line is connected means the device can be controlled through phon ....etc

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The GSM modem provides the communication mechanism between the user and the predefined number via SMS messages. This project uses a relay to switch devices and voice recognition chip for the recognition of audio announcements and micro-controller, which is programmed, with the help of embedded C instructions. This micro-controller is able to communicate with all input and output modules. The speech recognition system which is the input module to the micro-controller takes the voice instruction given by the user as input and the controller judge ....etc

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please can you send me the advantages , disadvantages, and applications of head movement based voice enabled wireless switching device for physically challenged. here it is my mail [email protected]. ....etc

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i want to know the circuit diagram for zero voltage switching resonant dc page link inverter using auxilary boost converter and also the logic to turn on the switches.please help me finding the solution ....etc

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please give me a project report on dtmf controlled electrical device switching using 8051 micro controller (89c52), ....etc

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to get information about the topic sms based device switching related topic refer the page link bellow
http://seminarsprojects.net/Thread-sms-based-device-control-full-report ....etc

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Like the other languages of South India, it is a Dravidian language, unrelated to the Indo-European languages of northern India. The Tamil language preserves many features of Proto-Dravidian, though modern-day spoken Tamil in Tamil Nadu freely uses loanwords from Sanskrit and English. ....etc

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